Solved: Dell optiplex 790 UEFI file system not found error - Dell Community
Dell OptiPlex 3020 Small Form Desktop Computer PC, 3.20 GHz Intel i5 Quad Core Gen 4, 16GB DDR3 RAM, 512GB Solid State Drive (SSD) SSD Hard Drive, Windows 10 Home 64bit - Walmart.com
Solved: 7010, BIOS corrupted, blinking amber color 2,3 times - Dell Community
Install and boot from an NVMe SSD on a Dell OptiPlex 9020, 7020 or 3020
ubuntu - Can updating Dell Firmware 'unlock' BIOS booting? - Super User
Optiplex 3020 No post after reboot - Page 2 - Dell Community